Rexnord 10439781 — 4-Bolt Flange
Rexnord 10439781 - 4-Bolt Flange - Width: 3.94 mm; Bearing Type: Spherical roller brg; Length: 8.63 ft.
Rex MF9207 9000 series square flange 4-bolt mounted spherical roller bearing, 2-7/16 in (61.91 mm) bore, spring-loaded heavy contact seal, cast iron housing.
| Ability to Relubricate | Yes |
|---|---|
| Available Seal Type | K Light Contact Lip Seal; M Spring Loaded Heavy Contact Lip Seal (Buna and Viton); Z Clearance Seal; G Triple Lip |
| Bearing Brand | REX ROLLER BEARING |
| Bearing housing | FLG BLK 4 BLT SQ TYPE ZF |
| Bearing housing material | Cast iron |
| Bearing Type | Spherical roller brg |
| Bolt circle radius (in) | 4 1/4 in |
| Bolt hole circle diameter (in) | 8 1/2 in |
| Bolt Size (in) | 2.4375 in in |
| Bore length (in) | 3 3/4 in |
| Bore Size (in) | 2.4375 in |
| C dynamic load rating | 57750 lb |
| Cage Material | Engineered Polymer |
| Clearance | C3 STANDARD |
| Co static load rating | 71500 lb |
| Distance between bolt holes (in) | 6 1/64 in |
| Distance from housing cast face to locking feature face (in) | 5/8 in |
| Fixed expansion | Fixed |
| Fixed vs. Expansion | Fixed |
| Foot Height (in) | 0.88 in |
| Grease fitting size | 1/8 NPT |
| Grease Fitting Thread Size | 1/8 NPT |
| Height | 8.63 mm |
| Housing Cast Face to Outermost Bearing Face (in) | 0.63 |
| Housing Coating | POWDER COATED |
| Housing Construction | Solid |
| Housing material | Cast Iron |
| Housing Style | Flange Block |
| Housing Type | Flange, Four Bolt |
| Housing Width (in) | 7 3/4 in in |
| Inner Ring Outside Diameter (in) | 3.37 in |
| Insert | 9207U |
| Length | 8.63 ft |
| Length Through Bore (in) | 3.75 in |
| Locking Collar Outside Diameter (in) | 3.63 in |
| Locking device kit | AK9207 |
| Locking Type | Tapered Adapter |
| Locknut outside diameter | 3 5/8 in |
| Locknut Outside Diameter (in) | 3 5/8 in |
| Lubrication Type | EXXON RONEX MP STD |
| Max Speed | 1700 RPM |
| Max temperature (°F (°C)) | 225 (107) F (C) |
| Maximum Speed (RPM) | 1700 rpm rpm |
| Maximum Temperature (C) | 107 C |
| Maximum Temperature (F) | 225 F |
| Microlock kit | ML3 |
| Misalignment Capability | ±2.0° Misalignment - Dynamic |
| Misalignment Type | Dynamic |
| Mounted clearance | C3 standard |
| Mounting bolt size (in) | 3/4 in |
| Mounting pad height (in) | 7/8 in |
| Net weight | 26.60 |
| Overall Length (in) | 7.75 in |
| Overall Width | 7.75 |
| Primary seal | BUNA SPRING LOADED LIP SEAL |
| Radial Dynamic Load Capacity (lb) | 57750 lb |
| Radial Static Load Capacity (lb) | 71500 lb |
| Retainer Material | Engineered Polymer |
| Retainer type | Engineered polymer |
| Seal kit | MS9 |
| Seal Type | Heavy Contact Seal |
| Service instructions | BR3-001 REX 2, 3, 5, 6, 9000 |
| Shaft diameter (in) | 2 7/16 in |
| Shaft locking | Tapered adapter mount |
| Shaft locking collar kit/adapter assembly | AK9207 |
| Size Code | 9 |
| Standoff distance (in) | 15/64 in |
| Threaded cover kit | TC9 |
| Type of seal | Spring loaded heavy contact seal |
| Unit of dimension | IN |
| Vibration Frequency Fundamental Train | 0.0072 cps cps |
| Vibration Frequency Inner Ring Defect | 0.1701 cps cps |
| Vibration Frequency Outer Ring Defect | 0.1299 cps cps |
| Vibration Frequency Roller Spin | 0.0591 cps cps |
| Volume | 0.048 |
| Volume unit | Hectoliter |
| Weight unit | LB |
| Width | 3.94 mm |
Request a quote for this part
Email [email protected] or call (825) 454-5367 for pricing and availability.
Frequently Asked Questions
How do I get pricing for 10439781?
KKM Solutions is a quote-based industrial supplier, so prices are not listed online. Send the quote form on this page with your quantity, or email [email protected], and our order desk will reply with pricing and availability within 1 business day.
Who manufactures the 10439781?
10439781 is a Rexnord part. KKM Solutions sources Rexnord components to the exact manufacturer specification and cross-checks every order against manufacturer part data before it ships.
Is 10439781 discontinued, and can I still get one?
KKM Solutions does not publish a manufacturer lifecycle status for 10439781 — check Rexnord's own product page for whether it is current, superseded, or end-of-life. It does not change what we can do: we source current-production, superseded and long-obsolete parts the same way, and where a part is genuinely unavailable we identify a form-fit-function equivalent. Send the part number through the quote form on this page, or use our obsolete part lookup at https://kkmsolutions.com/tools/obsolete-part-lookup/.
What are the key specifications of 10439781?
Key specifications include Ability to Relubricate: Yes; Available Seal Type: K Light Contact Lip Seal; M Spring Loaded Heavy Contact Lip Seal (Buna and Viton); Z Clearance Seal; G Triple Lip; Bearing Brand: REX ROLLER BEARING; Bearing housing: FLG BLK 4 BLT SQ TYPE ZF. The full specification table on this page lists every published attribute for this part.
How quickly can 10439781 ship?
In-stock items are dispatched the same business day for orders placed by 11 AM; sourced and quoted items ship per the quoted lead time. KKM Solutions ships worldwide — to your site, warehouse, or freight forwarder.
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